Electronic devices and circuits

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Electronic devices and circuits B3B31EPO
Credits 6
Semesters Winter
Completion Assessment + Examination
Language of teaching Czech
Extent of teaching 4P+2L
The course introduces students to the basic principles and methods of analysis of electrical circuits. Defines the circuit elements and gives their elementary application. It deals with the basic fundaments of electronic systems based on analog as well as digital circuits. The course presents operational principles and methods of analysis of these circuits with respect to the use of cybernetics and control systems.
Course outlines
1. Elements of electrical circuits: passive elements, controlled sources - the relationship between electrical quantities.
2. Basic laws and theorems in electrical circuits, analysis of resistive circuits, power.
3. Methods of analysis of linear circuits in the time domain. Transients in RLC circuits with DC excitation.
4. Sinusoidal steady state - descriptions of circuit quantities using phasor, the power and resonance in SSS.
5. The PN junction, elements of electronic circuits: diode, thyristor, triac - description of typical applications, diode model, principle of linearization.
6. Transistors: bipolar and unipolar transistor - principle of operation, description, features, models.
7. Application of transistors as a controlled switch and linear amplifier element.
8. The ideal operational amplifier: principles, basic linear operational networks (the inverting and noninverting configurations, summer, difference amplifiers, converters v-i and i-v, integrator, differentiator).
9. Op-Amp real properties and their influence on the circuit quantities. Frequency compensation.
10. Special applications of Op-Amps: oscillators, isolation amplifier, nonlinear circuits, multivibrators, comparators.
11. Conventional power supplies, linear regulators - principles and parameters, integrated regulators.
12. Semiconductor switches, switching of resistive and inductive loads, principles and characteristics of switched converters.
13. Structure of logic circuits: diode logic, principle of CMOS inverter circuit, basic electrical characteristics, circuit diagram and operating principle of two-input NAND gate.
14. Capacitive and inductive coupling, interference, methods of shielding, input circuits and drivers of fieldbus.
Exercises outlines
1. Introduction. Electric circuit, electrical voltage and current, series and parallel connection of electric sources, verification by laboratory measurements.
2. Ohm's law, Kirchhoff's laws, series and parallel connection resistors, verification by laboratory measurements.
3. General methods of circuit analysis (loop analysis, nodal analysis). Computer analysis of electrical circuits.
4. Test 1. Transients in RLC circuits with DC excitation, calculation and verification by computer simulation.
5. Sinusoidal steady state: phasors, impedance and admittance. Analysis of elementary circuits in SSS.
6. Frequency responses - both manual and computer analysis, verification by laboratory measurements. Resonance.
7. Test 2. Elementary circuits with diodes and transistors. Principles, analysis of the dominant characteristics.
8. Simulation and laboratory measurement of transistor circuits, switching and linear mode.
9. Basic circuits with operational amplifier, analysis and simulation.
10. Laboratory measurements of elementary circuits with operational amplifier.
11. Oscillators and astable multivibrator with Op-Amp.
12. Test 3. Zener diode voltage stabilizer, calculation and computer simulation.
13. Laboratory measurements of the properties of CMOS inverter.
14. Consultation, credit.
1. Irwin, J. D.: Nelms R. M.: Basic engineering circuit analysis. Wiley, 2008, ISBN 0470128690
2. Adel S. Sedra, Kenneth C. Smith: Microelectronic Circuits, Oxford University Press, 6. vydání, 2009, ISBN 9780195323030
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